Seiko Cal. 6639 - 352

The 6639-352 is a sought-after Solar piece from Seiko's golden era. Powered by the 6639 caliber with 17j jewels beating at 21,600 bph, it delivers a 39 hours power reserve. [seikata-wm-84b59fa80774]

Also known as: Emperor

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

10.7mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1971

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